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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 821 · 40 questions
TalentJR

Remember (What comes out?): Sources give electricity: cells, batteries, solar panels, generators, dynamos, power stations. Appliances use it and change it: light (torch, tube light), heat (iron, kettle, toaster), movement (fan, mixer, drill), sound (doorbell, buzzer, speaker). Ask: what comes out when it works? That is the energy it mainly gives.

NameDateTime takenScore ___ / 40
  1. 1.⚡ What does a night lamp mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  2. 2.Which of these mainly makes sound? (a) a street light (b) a mixer grinder (c) a torch (d) a siren
  3. 3.⚡ A fan changes electrical energy mainly into which kind of energy? (a) light energy (b) chemical energy (c) sound energy (d) movement energy
  4. 4.Which of these gives us electricity? (a) an air conditioner (b) a computer (c) a battery (d) a television
  5. 5.Which of these gives us electricity? (a) a water pump (b) an air conditioner (c) a bicycle dynamo (d) a washing machine
  6. 6.Which of these gives us electricity? (a) a computer (b) a water pump (c) a solar panel (d) a television
  7. 7.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) chemical energy (c) light energy (d) wind energy
  8. 8.Which of these gives us electricity? (a) a wind turbine (b) a refrigerator (c) an air conditioner (d) a television
  9. 9.Which of these mainly gives out light? (a) a buzzer (b) a school bell (c) an electric iron (d) a tube light
  10. 10.Which of these gives us electricity? (a) a cell (b) a computer (c) a mobile phone (d) a television
  11. 11.Which of these mainly gives out heat? (a) an LED lamp (b) a rice cooker (c) a torch (d) an electric toy car
  12. 12.🔍 Which is the odd one out? (a) a ceiling fan (b) a siren (c) a school bell (d) a doorbell
  13. 13.Which of these gives us electricity? (a) a water pump (b) a television (c) a computer (d) a generator
  14. 14.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  15. 15.Which of these uses electricity? (a) a battery (b) a washing machine (c) a generator (d) a bicycle dynamo
  16. 16.Which of these uses electricity? (a) a battery (b) a computer (c) a bicycle dynamo (d) a power station
  17. 17.⚡ What does a table fan mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  18. 18.Which of these uses electricity? (a) a cell (b) an air conditioner (c) a battery (d) a solar panel
  19. 19.⚡ What does a street light mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  20. 20.🔋 Does a power station give electricity or use electricity? (a) uses electricity (b) gives electricity
  21. 21.⚡ What does a water heater mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  22. 22.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) sound energy (b) light energy (c) chemical energy (d) movement energy
  23. 23.Which of these mainly makes movement? (a) a mixer grinder (b) a water heater (c) a night lamp (d) a toaster
  24. 24.⚡ Which tiny particles drift along a metal wire to carry the current? (a) water drops (b) photons (c) electrons (d) dust particles
  25. 25.🔋 Does an air conditioner give electricity or use electricity? (a) gives electricity (b) uses electricity
  26. 26.⚡ What does a loudspeaker mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  27. 27.Which of these mainly gives out light? (a) a loudspeaker (b) a traffic signal (c) a toaster (d) an exhaust fan
  28. 28.🔋 Does a mobile phone give electricity or use electricity? (a) uses electricity (b) gives electricity
  29. 29.Which of these mainly makes sound? (a) a toaster (b) an electric toy car (c) a table fan (d) a school bell
  30. 30.True or false: a siren mainly makes sound. (a) False (b) True
  31. 31.⚡ What does an exhaust fan mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  32. 32.⚡ What does a tube light mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  33. 33.🔍 Which is the odd one out? (a) an electric toy car (b) a table fan (c) a ceiling fan (d) a loudspeaker
  34. 34.🔋 Does a refrigerator give electricity or use electricity? (a) uses electricity (b) gives electricity
  35. 35.Which of these mainly makes movement? (a) a doorbell (b) an electric drill (c) an electric iron (d) a loudspeaker
  36. 36.🔋 Does a wind turbine give electricity or use electricity? (a) uses electricity (b) gives electricity
  37. 37.Which of these mainly makes movement? (a) a school bell (b) a loudspeaker (c) a table fan (d) a street light
  38. 38.Which of these mainly gives out light? (a) a loudspeaker (b) an LED lamp (c) a water heater (d) a toaster
  39. 39.True or false: a rice cooker mainly gives out heat. (a) False (b) True
  40. 40.⚡ What does an LED lamp mainly change electricity into? (a) movement (b) sound (c) light (d) heat

Answer key

  1. light
  2. a siren
  3. movement energy
  4. a battery
  5. a bicycle dynamo
  6. a solar panel
  7. light energy
  8. a wind turbine
  9. a tube light
  10. a cell
  11. a rice cooker
  12. a ceiling fan
  13. a generator
  14. uses electricity
  15. a washing machine
  16. a computer
  17. movement
  18. an air conditioner
  19. light
  20. gives electricity
  21. heat
  22. movement energy
  23. a mixer grinder
  24. electrons
  25. uses electricity
  26. sound
  27. a traffic signal
  28. uses electricity
  29. a school bell
  30. True
  31. movement
  32. light
  33. a loudspeaker
  34. uses electricity
  35. an electric drill
  36. gives electricity
  37. a table fan
  38. an LED lamp
  39. True
  40. light

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